Worcester Comfort+ II RF Installation And Operating Instructions

Maintenance
Comfort+ II RF – 6720886122 (2018/07)
18
Table 14
Table 15
Table 16
Table 17
Table 18
Table 19
Key
The LED flashes every second if a fault display is present (e.g.
no EMS connection).
Table 20
9 Maintenance
The control unit and key require no maintenance other than
changing the batteries in the control unit.
The casing can be cleaned with a dry cloth. Do not use cleaning
agents or solutions.
9.1 Replace batteries of control unit
As soon as the symbol for weak batteries is displayed in normal
operation, the batteries must be replaced within the next
60 days, otherwise the programmed settings are lost.
▶ Replace the batteries with new ones of the same type: LR6/
AA 1.5 V Alkaline.
Fig. 16 Low batteries display
Access to the batteries
To release the control unit from the wall socket:
1. Insert a flat-head screwdriver into the recess on the
underside of the control unit.
2. Gently turn the screwdriver, until the locking device is
open.
3. Release the control unit from the wall socket.
[blank display or low battery symbol]
Description Action
Batteries are used up. Replace batteries.
1017- [system pressure too low]
Description Action
System pressure is too low. Fill system.
207 - [low system pressure]
Description Action
System pressure is low. Fill system.
1070 - [maintenance due on ...]
Description Action
Maintenance is next due on
<dd.mm.yyyy>. Please call
your installer, tel. <tel nr>
Inform the installer that
maintenance should be
carried out within the next 30
days
1071 - [maintenance now due]
Description Action
Maintenance is now due.
Please call your installer, tel.
<tel nr>
Inform the installer that
maintenance should be
carried out
1072 - [maintenance overdue]
Description Action
Maintenance is overdue.
Please call your installer, tel.
<tel nr>
Inform the installer that
maintenance is 14 days
overdue
[LED flashes once per second]
Description Action
Local program fault
No fault in the heat source but
probably loss of the wireless
signal to at least one control
unit.
Check the control units for
faults.
0010009674-002
1
pmam

Worcester Comfort+ II RF Specifications

General

Display	LCD
Temperature control range	5°C to 30°C
Power supply	2 x AA batteries
Mounting	Wall-mounted
Control Type	Programmable
Compatibility	Worcester Bosch boilers
Type	Wireless Programmable Thermostat
Communication	Radio Frequency (RF)
Features	Frost protection, Holiday mode
Range	Up to 30 meters